
Wacky smartphone cases —
Hold hands with this case by Dokkiri, which may seem a little creepy but is perhaps comforting if you're feeling lonely. Available in men's, women's and kid's-size hands, the case costs about $49 when it's not sold out.

Wacky smartphone cases —
Spraytect's pepper-spray case is currently available in a variety of colors for iPhone 4 and 4S, and will soon be offered for the newer models. Company founder Scott McPherson said he created this with his college-bound daughter's safety in mind.

Wacky smartphone cases —
Available in "crunch type" or "soda type," this "IcePhone" for iPhones is surprisingly realistic. Because who doesn't want a popsicle stuck to their phone? The crunch version looks like it's been dipped in chocolate and covered in nuts -- and belongs in your mouth instead of pressed to your ear.

Wacky smartphone cases —
Another personal-protection case, the Yellow Jacket, packs a powerful stun gun and was developed by a former military police officer. The Yellow Jacket's case delivers 650,000 volts of electricity to would-be assailants, retails for about $100 and is available for iPhone 4 and 5.

Wacky smartphone cases —
For the fashion-minded consumer, designer Alice + Olivia's case for iPhone 5 features three-dimensional legs adorned with a tulle skirt and bejeweled red stilettos. The leg case retails for $100 when it's available.

Wacky smartphone cases —
With 22 different tools, TaskLab's TaskOne G3 multi-tool case is perfect for both outdoor and gadget aficionados. There's even a mount for attaching reciprocating saw blades, in case the included knife isn't enough for you.

Wacky smartphone cases —
Holga's Filter and Lens Kit features color and special-effect lenses, with no software needed. Geared to photographers, the case sells for about $25. Its dial has 9 different lenses, including one for no-effect images in case you just want a regular photo. Or you can just use Instagram.

Wacky smartphone cases —
This popular rubber bunny case is widely available online and in stores, in a variety of colors. With hundreds of brand-name and generic manufacturers, you can own one for about $3.

Wacky smartphone cases —
Smokers are likely familiar with the inconvenience of not having a lighter, or having the wind blow it out once they do find one. SuperNova's flameless lighter case uses an electric coil, so smokers don't have to worry about refilling fluids -- or hunting for a light. Price: about $35.

Wacky smartphone cases —
Designed for fun rather than functionality, this skate deck iPhone case by Candies is like having half a tiny skateboard around your phone. The wheels work, but probably aren't convenient when talking on your phone.

Wacky smartphone cases —
The world's most expensive iPhone, customized by luxury designer Stuart Hughes, is made out of 24-karat gold and encrusted with 600 flawless diamonds. For less than $17 million, the iPhone 5 Black Diamond can be yours.

Wacky smartphone cases —
The bulky and creepy isopod case has been wildly popular since it was released in Japan in April and sold out of all 1,000 that were made. The case -- which encloses your phone in what looks like a lobster tail -- is so much in demand that the manufacturer is making more for release in the fall, along with a special-edition gold model.


